On Thu, Jun 10, 2010 at 09:01:28AM -0500, Michael S. Zick wrote:
> The difference between taking down the host and 253 (paying?) guests with
It's a mockup/test server. An Atom with 4 GBytes probably
won't handle more than 50 lightly loaded guests. I don't
know yet.
> a single file system failure;
If things fail, I can reboot from the second disk.
> vs
> Only taking down one of them (or some small set).
In that cost bracket there's no availability. There's
redundancy, and a daily backup.
> And you aren't even using RAID for storage. Duh...
I am actually using a poor man's RAID. Mirroring
SSDs along with normal drives is not possible with
the packing density and budget.
I intend to solve the problem of reliability by throwing
cheap (~500 EUR/server) hardware at the problem.
> Other (should be obvious) reasons.
If you're flush in cash and customers, you can do other
things. I'm neither.
-- Eugen* Leitl leitl http://leitl.org ______________________________________________________________ ICBM: 48.07100, 11.36820 http://www.ativel.com http://postbiota.org 8B29F6BE: 099D 78BA 2FD3 B014 B08A 7779 75B0 2443 8B29 F6BEReceived on Thu Jun 10 16:55:44 2010